#include "defines.h"

af_err af_fast(af_features *out, const af_array in, const float thr, const unsigned arc_length, const bool non_max, const float feature_ratio, const unsigned edge);
af_err af_harris(af_features *out, const af_array in, const unsigned max_corners, const float min_response, const float sigma, const unsigned block_size, const float k_thr);
af_err af_orb(af_features *feat, af_array *desc, const af_array in, const float fast_thr, const unsigned max_feat, const float scl_fctr, const unsigned levels, const bool blur_img);
af_err af_sift(af_features *feat, af_array *desc, const af_array in, const unsigned n_layers, const float contrast_thr, const float edge_thr, const float init_sigma, const bool double_input, const float intensity_scale, const float feature_ratio);
af_err af_gloh(af_features *feat, af_array *desc, const af_array in, const unsigned n_layers, const float contrast_thr, const float edge_thr, const float init_sigma, const bool double_input,  const float intensity_scale, const float feature_ratio);
af_err af_hamming_matcher(af_array* idx, af_array* dist, const af_array query, const af_array train, const dim_t dist_dim, const unsigned n_dist);
af_err af_nearest_neighbour(af_array* idx, af_array* dist, const af_array query, const af_array train, const dim_t dist_dim, const unsigned n_dist, const af_match_type dist_type);
af_err af_match_template(af_array *out, const af_array search_img, const af_array template_img, const af_match_type m_type);
af_err af_susan(af_features* out, const af_array in, const unsigned radius, const float diff_thr, const float geom_thr, const float feature_ratio, const unsigned edge);
af_err af_dog(af_array *out, const af_array in, const int radius1, const int radius2);
af_err af_homography(af_array *H, int *inliers, const af_array x_src, const af_array y_src, const af_array x_dst, const af_array y_dst, const af_homography_type htype, const float inlier_thr, const unsigned iterations, const af_dtype otype);
